#!/bin/bash

sum=0

for ((i=1;i<=100;i++))
do
	sum=$[$sum+$i]
done

echo "和为：$sum"

#for ITEM in AA BB CC
#for ITEM in $*
#for ITEM in $@
#for ITEM in "$*"
for ITEM in "$@"
do
	echo "item is $ITEM"
done
